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December Weather in Yukon, United States

Last updated: June 24, 2025

In December, the average temperature in Yukon, United States hovers around 6°C (44°F). While temperatures can dip as low as -9°C (17°F) or soar to a maximum of 27°C (80°F), the weather is often characterized by high humidity, averaging 84%. Expect some precipitation, with about 34 mm (1.4 in) falling over the course of 3 days.

December Temperature in Yukon

In December in Yukon, the average temperature is 6°C (44°F). The maximum can reach 27°C (80°F) and the minimum can be as low as -9°C (17°F). Be prepared for a wide range of temperatures if you're planning to travel during this month!

December Weather in Yukon: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Yukon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yukon, December typically has an average temperature of 6°C (44°F), with highs reaching up to 27°C (80°F) and lows dropping to around -9°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec394053596979838175625044
Data source: Temperature data for Yukon generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Yukon

In Yukon in December, the total precipitation amount is 34 mm (1.4 in) recorded over a span of 3 days.

December Precipitation Trends in Yukon

The chart displays monthly precipitation patterns in Yukon, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Yukon, December typically receives around 34 mm (1.4 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec434380109142935961811012934
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Yukon

In Yukon in December humidity is 84%. With an average temperature of 6°C (44°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities less comfortable and necessitating layered clothing to stay warm and dry while exploring the area.

December Average Humidity in Yukon

This chart illustrates the average monthly humidity levels in Yukon, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Yukon is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Yukon

In Yukon in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Yukon for better planning.

Maximum UV Index Levels in Yukon for December

The chart shows the monthly maximum UV Index (UVI) for Yukon in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Yukon typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111119754
Data source: Yukon December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Yukon Compares to Other Months

Weather in Yukon varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Yukon, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Yukon, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)43 mm (1.7 inches)76%moderate
February Weather5°C (40°F)43 mm (1.7 inches)76%high
March Weather12°C (54°F)80 mm (3.1 inches)70%very high
April Weather15°C (59°F)109 mm (4.3 inches)72%very high
May Weather21°C (70°F)141 mm (5.6 inches)82%very high
June Weather26°C (79°F)93 mm (3.6 inches)82%extreme
July Weather28°C (83°F)59 mm (2.3 inches)80%extreme
August Weather27°C (81°F)61 mm (2.4 inches)72%extreme
September Weather24°C (76°F)80 mm (3.2 inches)64%very high
October Weather16°C (62°F)101 mm (4.0 inches)71%high
November Weather10°C (50°F)29 mm (1.1 inches)81%moderate
December Weather6°C (44°F)34 mm (1.4 inches)84%moderate

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